<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <title>Document</title>
    <style>
        .dib-baseline{
            display: inline-block;
            width: 150px;
            height: 150px;
            border: 1px solid #cad5eb;
            background-color: #f0f3f9;
        }

    </style>
</head>
<body>
    <span class="dib-baseline"></span>
    <span class="dib-baseline" style="line-height: 0;">x-baseline</span>
</body>
</html>